Use the absolute path to the sourcemap in the CS bundle

Reviewed By: davidaurelio

Differential Revision: D4831377

fbshipit-source-id: b7da81264a65bea1827237cdd34567b29579acd4

local-cli/bundle/buildBundle.js

@@ -46,9 +46,14 @@ function buildBundle(
   // have other choice than defining it as an env variable here.
   process.env.NODE_ENV = args.dev ? 'development' : 'production';
 
+  let sourceMapUrl = args.sourcemapOutput;
+  if (sourceMapUrl && !args.sourcemapUseAbsolutePath) {
+    sourceMapUrl = path.basename(sourceMapUrl);
+  }
+
   const requestOpts: RequestOptions = {
     entryFile: args.entryFile,
-    sourceMapUrl: args.sourcemapOutput && path.basename(args.sourcemapOutput),
+    sourceMapUrl,
     dev: args.dev,
     minify: !args.dev,
     platform: args.platform,

local-cli/bundle/bundleCommandLineArgs.js

@@ -37,6 +37,10 @@ module.exports = [
   }, {
     command: '--sourcemap-sources-root [string]',
     description: 'Path to make sourcemap\'s sources entries relative to, ex. /root/dir',
+  }, {
+    command: '--sourcemap-use-absolute-path',
+    description: 'Report SourceMapURL using its full path',
+    default: false,
   }, {
     command: '--assets-dest [string]',
     description: 'Directory name where to store assets referenced in the bundle',

local-cli/bundle/types.flow.js

@@ -37,6 +37,7 @@ export type OutputOptions = {
   platform: string,
   sourcemapOutput?: string,
   sourcemapSourcesRoot?: string,
+  sourcemapUseAbsolutePath?: boolean,
 };
 
 export type RequestOptions = {|